=(5a+7b)-(3a+5b)

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Solution for =(5a+7b)-(3a+5b) equation:


Simplifying
0 = (5a + 7b) + -1(3a + 5b)

Remove parenthesis around (5a + 7b)
0 = 5a + 7b + -1(3a + 5b)
0 = 5a + 7b + (3a * -1 + 5b * -1)
0 = 5a + 7b + (-3a + -5b)

Reorder the terms:
0 = 5a + -3a + 7b + -5b

Combine like terms: 5a + -3a = 2a
0 = 2a + 7b + -5b

Combine like terms: 7b + -5b = 2b
0 = 2a + 2b

Solving
0 = 2a + 2b

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-2a' to each side of the equation.
0 + -2a = 2a + -2a + 2b
Remove the zero:
-2a = 2a + -2a + 2b

Combine like terms: 2a + -2a = 0
-2a = 0 + 2b
-2a = 2b

Divide each side by '-2'.
a = -1b

Simplifying
a = -1b

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